51 lines
1.1 KiB
Ruby
51 lines
1.1 KiB
Ruby
module Mutant
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# Module providing isolationg
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module Isolation
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Error = Class.new(RuntimeError)
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module None
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# Call block in isolation
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#
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# @return [Object]
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#
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# @raise [Error]
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# if block terminates abnormal
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#
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# @api private
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#
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def self.call(&block)
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block.call
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rescue => exception
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fail Error, exception
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end
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end
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module Fork
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# Call block in isolation
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#
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# This isolation implements the fork strategy.
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# Future strategies will probably use a process pool that can
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# handle multiple mutation kills, in-isolation at once.
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#
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# @return [Object]
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# returns block execution result
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#
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# @raise [Error]
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# if block terminates abnormal
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#
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# @api private
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#
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def self.call(&block)
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Parallel.map([block], in_processes: 1) do
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block.call
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end.first
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rescue Parallel::DeadWorker => exception
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fail Error, exception
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end
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end # Fork
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end # Isolator
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end # Mutant
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